Margaret Alice Walker, PA-C
Nurse Practitioner · Pittsburgh, PA
Margaret Alice Walker, PA-C is a nurse practitioner with a practice address in Pittsburgh, Pennsylvania, and NPI 1821399957, issued on Nov 5, 2010. Check the license (Pennsylvania MA055005, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Alice Walker
- Credential
- PA-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- MA055005 PA
C5-0012212 DE
Self-reported in NPPES; status is on the state search - Practice location
- 320 E North Ave, Pittsburgh, PA 15212
- Phone
- (412) 359-3030
- Enumerated
- Nov 5, 2010
- Record last updated
- Jan 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250226000481); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,916 in Pennsylvania → Look up another NPI →
Also registered at 320 E North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Alice Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA055005Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average nurse practitioner in 2024
311 Medicare Part D claims for 158 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Oxycodone Hcl20 claims
- Atorvastatin Calcium19 claims
- Amlodipine Besylate16 claims
- Pantoprazole Sodium14 claims
- Prednisone14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $100.05
6 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Allegheny ClinicPittsburgh, PA
- Beebe Medical Center IncLewes, DE
- Beebe Physician Network Inc.Rehoboth Beach, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Alice Walker among 3,916 nurse practitioner records in Pennsylvania
Margaret Alice Walker, PA-C is one of 3,916 nurse practitioner records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 28% of them.
- NPI issued2010 · 28% of these records are older, 70% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2018 among the 2,360 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
314 nurse practitioner records list a practice address in Pittsburgh
They are 314 of the 28,866 NPPES records with a practice address in Pittsburgh, and 3,916 nurse practitioner records in Pennsylvania.
All 3,916 in Pennsylvania → Every provider in Pittsburgh → Nurse Practitioner nationwide →
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Common questions
What is Margaret Alice Walker, PA-C's NPI number?
Margaret Alice Walker, PA-C's National Provider Identifier (NPI) is 1821399957, issued on Nov 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Alice Walker, PA-C located?
The NPPES record lists a practice address at 320 E North Ave, Pittsburgh, PA, 15212. Phone: (412) 359-3030. Providers update this record themselves, so call before visiting.
How can I verify Margaret Alice Walker, PA-C's license?
NPPES lists Pennsylvania license number MA055005, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Alice Walker, PA-C prescribe under Medicare Part D?
In 2024, Margaret Alice Walker, PA-C had 311 Medicare Part D claims for 158 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Margaret Alice Walker, PA-C's MIPS final score?
The 2023 MIPS final score is 85.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.